-AC_CHECK_FUNCS(sbrk utimes setmode getc_unlocked)
-
-# Check whether fopen64 is available and whether _LARGEFILE64_SOURCE
-# needs to be defined for it
-AC_MSG_CHECKING([for fopen64])
-AC_CACHE_VAL(bu_cv_have_fopen64,
-[AC_TRY_LINK([#include <stdio.h>], [FILE *f = fopen64 ("/tmp/foo","r");],
-bu_cv_have_fopen64=yes,
-[saved_CPPFLAGS=$CPPFLAGS
- CPPFLAGS="$CPPFLAGS -D_LARGEFILE64_SOURCE"
- AC_TRY_LINK([#include <stdio.h>], [FILE *f = fopen64 ("/tmp/foo","r");],
-bu_cv_have_fopen64="need -D_LARGEFILE64_SOURCE",
-bu_cv_have_fopen64=no)
- CPPFLAGS=$saved_CPPFLAGS])])
-AC_MSG_RESULT($bu_cv_have_fopen64)
-if test $bu_cv_have_fopen64 != no; then
- AC_DEFINE([HAVE_FOPEN64], 1,
- [Is fopen64 available?])
- if test $bu_cv_have_fopen64 = "need -D_LARGEFILE64_SOURCE"; then
- AC_DEFINE([_LARGEFILE64_SOURCE], 1,
- [Enable LFS])
+AC_CHECK_FUNCS(sbrk utimes setmode getc_unlocked strcoll setlocale)
+AC_CHECK_FUNC([mkstemp],
+ AC_DEFINE([HAVE_MKSTEMP], 1,
+ [Define to 1 if you have the `mkstemp' function.]))
+AC_CHECK_FUNC([mkdtemp],
+ AC_DEFINE([HAVE_MKDTEMP], 1,
+ [Define to 1 if you have the `mkdtemp' function.]))
+ AC_MSG_CHECKING([for mbstate_t])
+ AC_TRY_COMPILE([#include <wchar.h>],
+ [mbstate_t teststate;],
+ have_mbstate_t=yes, have_mbstate_t=no)
+ AC_MSG_RESULT($have_mbstate_t)
+ if test x"$have_mbstate_t" = xyes; then
+ AC_DEFINE(HAVE_MBSTATE_T,1,[Define if mbstate_t exists in wchar.h.])